Convertible chair



FIG. 1 is a front perspective view of a convertible chair showing my design in its position for use as a chair;

FIG. 2 is a perspective front view of the invention in which it is displayed in a configuration intermediate its chair configuration and its table configuration;

FIG. 3 is a perspective view of the convertible chair showing my design in its fully converted position for use as a table;

FIG. 4 is a front view of the invention in its chair configuration;

FIG. 5 is a rear view of the invention in its chair configuration; and

FIG. 6 is a side view of the invention in its chair configuration.

The side of the convertible chair not shown is a mirror image of the side shown in FIG. 6. 

The ornamental design for a convertible chair, as shown and described. 